CVE-2026-37541 json
Buffer overflow vulnerability in Open Vehicle Monitoring System 3 (OVMS3) 3.3.005.
published 6mo ago modified 4mo ago also EUVD-2026-26694
- cvss
- 10.0
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.7%
- EPSS 0.7% chance of exploitation in 30 days, percentile 52%
- public exploits
- 0
- none known
Summary
Buffer overflow vulnerability in Open Vehicle Monitoring System 3 (OVMS3) 3.3.005. In canformat_gvret.cpp, the length field in GVRET binary data is not properly validated, allowing remote attackers to cause a denial of service or possibly execute arbitrary code via crafted GVRET frames.
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Check with FencerCISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- total
- Assessed
- 6mo ago
Exploit prediction
0.68% chance of exploitation in the next 30 days, higher than 52% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 10.0 | CVSS:3.1/AC:L/AV:N/A:H/C:H/I:H/PR:N/S:C/UI:N |
| CNA | 3.1 | 10.0 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H |
Classification
- Weakness
-
- CWE-121 Stack-based Buffer Overflow
References
-
github.com
/openvehicles/Open-Vehicle-Monitoring-System-3
product
-
gist.github.com
/sgInnora/f4ac66faeefe07a653ceeb3f58cdc381
third-party-advisory
-
github.com
/openvehicles/Open-Vehicle-Monitoring-System-3/issues/1393
issue-tracking
Sources
- CVE List CVE-2026-37541
- NVD CVE-2026-37541
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